docs: def open(self, session_file=None,session_url=None, verbose=False):
          """
          Opens a session from a local file or URL.
  
          :param session_file: The path to the session file (.cys) to be loaded.
          :param session_url: A URL that provides a session file.
          :param verbose: print more
          """
  
          PARAMS=set_param(["file", "url"],[session_file, session_url])
          response=api(url=self.__url+"/open", PARAMS=PARAMS, verbose=verbose)
          return response